Haines' widow Dragana now wants them to be tried and jailed for life. But first, she hopes they will reveal where her husband's body can be found.

She said having her husband's body returned home will provide closure for her and her daughter Athea, who was just four years old when Haines was murdered.

"David deserves to be buried properly. We deserve to have a place where we can go and take flowers and remembers him," she said.

"That's the only thing I hope, they kept at least a bit of humanity, they didn't lose that little bit of humanity so they can tell us where the bodies are, so all the families can get the remains back."